<template>
  <view class="normal-login-container" :style="{ backgroundImage: `url(${seasonBackground})` }">
    <view class="logo-content align-center justify-center flex">
      <view class="logo-wrapper" v-if="globalConfig && globalConfig.appInfo && globalConfig.appInfo.logo">
        <image :src="globalConfig.appInfo.logo" class="login-logo" mode="aspectFit"></image>
      </view>
      <view class="logo-wrapper" v-else>
        <view class="default-logo">⛰</view>
      </view>
      <text class="title">黄山陪爬</text>
    </view>
    <view class="login-form-content">
      <view class="input-item flex align-center">
        <view class="iconfont icon-user icon"></view>
        <input v-model="loginForm.username" class="input" type="text" placeholder="请输入账号" maxlength="30" />
      </view>
      <view class="input-item flex align-center">
        <view class="iconfont icon-password icon"></view>
        <input v-model="loginForm.password" type="password" class="input" placeholder="请输入密码" maxlength="20" />
      </view>
      <view class="input-item flex align-center" style="width: 60%;margin: 0px;" v-if="captchaEnabled">
        <view class="iconfont icon-code icon"></view>
        <input v-model="loginForm.code" type="number" class="input" placeholder="请输入验证码" maxlength="4" />
        <view class="login-code"> 
          <image :src="codeUrl" @click="getCode" class="login-code-img"></image>
        </view>
      </view>
      <view class="action-btn">
        <button @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">登录</button>
      </view>
      <view class="reg text-center" v-if="register">
        <text class="text-grey1">没有账号？</text>
        <text @click="handleUserRegister" class="text-blue">立即注册</text>
      </view>
      <view class="xieyi text-center">
        <text class="text-grey1">登录即代表同意</text>
        <text @click="handleUserAgrement" class="text-blue">《用户协议》</text>
        <text @click="handlePrivacy" class="text-blue">《隐私协议》</text>
      </view>
    </view>
     
  </view>
</template>

<script>
  import { getCodeImg } from '@/api/login'
  import { getToken } from '@/utils/auth'

  export default {
    data() {
      return {
        codeUrl: "",
        captchaEnabled: true,
        // 用户注册开关
        register: true,
        globalConfig: getApp().globalData?.config || {},
        loginForm: {
          username: "yonghu",
          password: "yonghu",
          code: "",
          uuid: ""
        }
      }
    },
    computed: {
      // 根据当前月份获取季节对应的背景图
      seasonBackground() {
        const month = new Date().getMonth() + 1; // getMonth() 返回 0-11，所以要 +1
        
        // 春季：3, 4, 5月 -> chun.png
        // 夏季：6, 7, 8月 -> xia.png  
        // 秋季：9, 10, 11月 -> qiu.png
        // 冬季：12, 1, 2月 -> dong.png
        
        if (month >= 3 && month <= 5) {
          return '/static/chun.png';
        } else if (month >= 6 && month <= 8) {
          return '/static/xia.png';
        } else if (month >= 9 && month <= 11) {
          return '/static/qiu.png';
        } else {
          return '/static/dong.png';
        }
      },
      
    },
    created() {
      this.getCode()
    },
    onLoad() {
      //#ifdef H5
      if (getToken()) {
        this.$tab.reLaunch('/pages/index')
      }
      //#endif
    },
    methods: {
      // 用户注册
      handleUserRegister() {
        this.$tab.redirectTo(`/pages/register`)
      },
      // 隐私协议
      handlePrivacy() {
        if (this.globalConfig && this.globalConfig.appInfo && this.globalConfig.appInfo.agreements && this.globalConfig.appInfo.agreements[0]) {
          let site = this.globalConfig.appInfo.agreements[0]
          this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
        }
      },
      // 用户协议
      handleUserAgrement() {
        if (this.globalConfig && this.globalConfig.appInfo && this.globalConfig.appInfo.agreements && this.globalConfig.appInfo.agreements[1]) {
          let site = this.globalConfig.appInfo.agreements[1]
          this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
        }
      },
      // 获取图形验证码
      getCode() {
        getCodeImg().then(res => {
          this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled
          if (this.captchaEnabled) {
            this.codeUrl = 'data:image/gif;base64,' + res.img
            this.loginForm.uuid = res.uuid
          }
        })
      },
      // 登录方法
      async handleLogin() {
        if (this.loginForm.username === "") {
          this.$modal.msgError("请输入账号")
        } else if (this.loginForm.password === "") {
          this.$modal.msgError("请输入密码")
        } else if (this.loginForm.code === "" && this.captchaEnabled) {
          this.$modal.msgError("请输入验证码")
        } else {
          this.$modal.loading("登录中，请耐心等待...")
          this.pwdLogin()
        }
      },
      // 密码登录
      async pwdLogin() {
        this.$store.dispatch('Login', this.loginForm).then(() => {
          this.$modal.closeLoading()
          this.loginSuccess()
        }).catch(() => {
          if (this.captchaEnabled) {
            this.getCode()
          }
        })
      },
      // 登录成功后，处理函数
      loginSuccess(result) {
        // 设置用户信息
        this.$store.dispatch('GetInfo').then(res => {
          // 判断用户角色，根据角色跳转不同页面
          const roles = res.roles || []
          console.log('用户角色信息:', roles)
          
          // 判断是否为配爬员
          // 支持多种格式：role对象有roleId=100，或者role字符串包含'climber'，或者roleKey='climber'
          const isClimber = roles.some(role => {
            if (typeof role === 'object') {
              return role.roleId === 100 || 
                     role.roleId === '100' || 
                     role.roleKey === 'climber' ||
                     role.roleName === '配爬员'
            }
            return role === 'climber' || role === '配爬员'
          })
          
          console.log('是否为配爬员:', isClimber)
          
          if (isClimber) {
            // 配爬员跳转到配爬员端页面
            this.$tab.reLaunch('/pages/climber/home')
          } else {
            // 普通用户跳转到用户端首页
            this.$tab.reLaunch('/pages/index')
          }
        })
      }
    }
  }
</script>

<style lang="scss" scoped>
  page {
    background-color: #ffffff;
  }

  .normal-login-container {
    width: 100%;
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;

    .logo-content {
      width: 100%;
      font-size: 21px;
      text-align: center;
      padding-top: 15%;
      position: relative;
      z-index: 1;

      .logo-wrapper {
        width: 100rpx;
        height: 100rpx;
        background-color: rgba(255, 255, 255, 0.9);
        border-radius: 12rpx;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 10rpx;
        box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
      }

      .login-logo {
        width: 80rpx;
        height: 80rpx;
        border-radius: 8rpx;
      }

      .default-logo {
        font-size: 50rpx;
        color: #1989fa;
      }

      image {
        border-radius: 4px;
      }

      .title {
        margin-left: 10px;
        color: #ffffff;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
      }
    }

    .login-form-content {
      text-align: center;
      margin: 20px auto;
      margin-top: 15%;
      width: 80%;
      background-color: transparent;
      border-radius: 20px;
      padding: 30px 20px;
      position: relative;
      z-index: 1;

      .input-item {
        margin: 20px auto;
        background-color: rgba(255, 255, 255, 0.8);
        height: 45px;
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.3);

        .icon {
          font-size: 38rpx;
          margin-left: 10px;
          color: #333;
        }

        .input {
          width: 100%;
          font-size: 14px;
          line-height: 20px;
          text-align: left;
          padding-left: 15px;
          color: #333;
          
          &::placeholder {
            color: #666;
          }
        }

      }

      .login-btn {
        margin-top: 40px;
        height: 45px;
      }
      
      .reg {
        margin-top: 15px;
        
        text {
          color: #ffffff;
          text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
        }
      }
      
      .xieyi {
        color: #333;
        margin-top: 20px;
        
        text {
          color: #ffffff;
          text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
        }
      }
      
      .login-code {
        height: 38px;
        float: right;
      
        .login-code-img {
          height: 38px;
          position: absolute;
          margin-left: 10px;
          width: 200rpx;
        }
      }
    }
  }

</style>
